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Example 321 Let R be the relation on the set R real numbers defined by xRy iff x−y is an integer Prove that R is an equivalence relation on R Proof I Reflexive Suppose x ∈ R Then x−x = 0, which is an integer Thus, xRx II Symmetric Suppose x,y ∈ R and xRy Then x − y is an integer Since y −x = −(x−y), y −x isTranslingual ·The letter O with a circumflex··The eighteenth letter of the Vietnamese alphabet, called ô and written in the Latin scriptS I L E N C E o f R E A L I T Y 1,406 likes · 149 talking about this vedio creater Celery Stalk Rot Information Recognizing And Treating Stalk Rot In Celery Plants P r e c i s e l y meaning in hindi